摘要
在初产母猪日粮中添加抗菌素类促生长剂，对实验猪的几个主要生产性能分析，结果表明，实验组与对照组在断乳时体重、断乳仔猪个体均重、母猪哺乳期失重及断乳后发情间隔上存在显著差异（Ｐ＜０．０５），说明在饲粮中添加促生长剂对提高初产母猪生产性能具有一定意义。
Several performance of antibiotic grourth promoting substance supplied in diet of gilt were analysed.The results showed that there are significent differente(P<0.05) in weaning weight,litter weight at weaning,loss of weight in sucking peried and interastrus after weaniag between the experincatal and control group. It is demonstrated that growth promoting substance supplied in diet Could improve the performance of gilt
